blob: e2e027b257cb8e7bed828035951b4e93e96edba9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
#include <config/config.hpp>
#include <iostream>
#include <sstream>
#include <stdlib.h>
std::string Config::filename = "./biboumi.cfg";
bool Config::file_must_exist = false;
std::string Config::get(const std::string& option, const std::string& def)
{
Config* self = Config::instance().get();
auto it = self->values.find(option);
if (it == self->values.end())
return def;
return it->second;
}
int Config::get_int(const std::string& option, const int& def)
{
Config* self = Config::instance().get();
std::string res = self->get(option, "");
if (!res.empty())
return atoi(res.c_str());
else
return def;
}
void Config::set_int(const std::string& option, const int& value, bool save)
{
std::ostringstream os;
os << value;
Config::set(option, os.str(), save);
}
void Config::set(const std::string& option, const std::string& value, bool save)
{
Config* self = Config::instance().get();
self->values[option] = value;
if (save)
{
self->save_to_file();
self->trigger_configuration_change();
}
}
void Config::connect(t_config_changed_callback callback)
{
Config* self = Config::instance().get();
self->callbacks.push_back(callback);
}
void Config::close()
{
Config* self = Config::instance().get();
self->values.clear();
Config::instance().reset();
}
/**
* Private methods
*/
void Config::trigger_configuration_change()
{
std::vector<t_config_changed_callback>::iterator it;
for (it = this->callbacks.begin(); it < this->callbacks.end(); ++it)
(*it)();
}
std::unique_ptr<Config>& Config::instance()
{
static std::unique_ptr<Config> instance;
if (!instance)
{
instance = std::make_unique<Config>();
instance->read_conf();
}
return instance;
}
bool Config::read_conf()
{
std::ifstream file;
file.open(filename.data());
if (!file.is_open())
{
if (Config::file_must_exist)
{
perror(("Error while opening file " + filename + " for reading.").c_str());
file.exceptions(std::ifstream::failbit);
}
return false;
}
std::string line;
size_t pos;
std::string option;
std::string value;
while (file.good())
{
std::getline(file, line);
if (line == "" || line[0] == '#')
continue ;
pos = line.find('=');
if (pos == std::string::npos)
continue ;
option = line.substr(0, pos);
value = line.substr(pos+1);
this->values[option] = value;
}
return true;
}
void Config::save_to_file() const
{
std::ofstream file(this->filename.data());
if (file.fail())
{
std::cerr << "Could not save config file." << std::endl;
return ;
}
for (auto& it: this->values)
file << it.first << "=" << it.second << std::endl;
file.close();
}
|
